make it possible to run AR tests with bin/test

1 files changed, 38 insertions, 43 deletions

diff --git a/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb b/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb
index 417ccf6d11..396f235e77 100644
--- a/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb
+++ b/activerecord/test/cases/adapters/mysql2/schema_migrations_test.rb
@@ -1,47 +1,42 @@
 require "cases/helper"
 
-module ActiveRecord
-  module ConnectionAdapters
-    class AbstractMysqlAdapter
-      class SchemaMigrationsTest < ActiveRecord::TestCase
-        def test_renaming_index_on_foreign_key
-          connection.add_index "engines", "car_id"
-          connection.add_foreign_key :engines, :cars, name: "fk_engines_cars"
-
-          connection.rename_index("engines", "index_engines_on_car_id", "idx_renamed")
-          assert_equal ["idx_renamed"], connection.indexes("engines").map(&:name)
-        ensure
-          connection.remove_foreign_key :engines, name: "fk_engines_cars"
-        end
-
-        def test_initializes_schema_migrations_for_encoding_utf8mb4
-          smtn = ActiveRecord::Migrator.schema_migrations_table_name
-          connection.drop_table smtn, if_exists: true
-
-          database_name = connection.current_database
-          database_info = connection.select_one("SELECT * FROM information_schema.schemata WHERE schema_name = '#{database_name}'")
-
-          original_charset = database_info["DEFAULT_CHARACTER_SET_NAME"]
-          original_collation = database_info["DEFAULT_COLLATION_NAME"]
-
-          execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET utf8mb4")
-
-          connection.initialize_schema_migrations_table
-
-          assert connection.column_exists?(smtn, :version, :string, limit: AbstractMysqlAdapter::MAX_INDEX_LENGTH_FOR_CHARSETS_OF_4BYTES_MAXLEN)
-        ensure
-          execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET #{original_charset} COLLATE #{original_collation}")
-        end
-
-        private
-        def connection
-          @connection ||= ActiveRecord::Base.connection
-        end
-
-        def execute(sql)
-          connection.execute(sql)
-        end
-      end
-    end
+class SchemaMigrationsTest < ActiveRecord::Mysql2TestCase
+  def test_renaming_index_on_foreign_key
+    connection.add_index "engines", "car_id"
+    connection.add_foreign_key :engines, :cars, name: "fk_engines_cars"
+
+    connection.rename_index("engines", "index_engines_on_car_id", "idx_renamed")
+    assert_equal ["idx_renamed"], connection.indexes("engines").map(&:name)
+  ensure
+    connection.remove_foreign_key :engines, name: "fk_engines_cars"
+  end
+
+  def test_initializes_schema_migrations_for_encoding_utf8mb4
+    smtn = ActiveRecord::Migrator.schema_migrations_table_name
+    connection.drop_table smtn, if_exists: true
+
+    database_name = connection.current_database
+    database_info = connection.select_one("SELECT * FROM information_schema.schemata WHERE schema_name = '#{database_name}'")
+
+    original_charset = database_info["DEFAULT_CHARACTER_SET_NAME"]
+    original_collation = database_info["DEFAULT_COLLATION_NAME"]
+
+    execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET utf8mb4")
+
+    connection.initialize_schema_migrations_table
+
+    limit = ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter::MAX_INDEX_LENGTH_FOR_CHARSETS_OF_4BYTES_MAXLEN
+    assert connection.column_exists?(smtn, :version, :string, limit: limit)
+  ensure
+    execute("ALTER DATABASE #{database_name} DEFAULT CHARACTER SET #{original_charset} COLLATE #{original_collation}")
+  end
+
+  private
+  def connection
+    @connection ||= ActiveRecord::Base.connection
+  end
+
+  def execute(sql)
+    connection.execute(sql)
   end
 end